Robinair FLCK-1 Filter Conversion Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replaces the obsolete swivel fitting (p/n MF1275) used on earlier Promax units</li><li>Allows the use of standard Male/Male Filter</li><li>Includes 4" hose， Male/Male Filter， and adapter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Dlle60bUL.jpg" noproxy>